Electric Kettle Information Plate Analysis

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In a series circuit, how does adding more resistors affect the current?

Increase the current

Reverse the current direction

Keep the current the same

Decrease the current (correct)

What is the relationship between the resistance of circuit 1 and circuit 3 in Figure 1?

No relationship between the resistances

Half the resistance of circuit 3

The same resistance as circuit 3

Twice the resistance of circuit 3 (correct)

Which voltmeter reading will be the lowest among V1, V2, and V3 in Figure 1?

V2

V1 (correct)

V3

All will give the same reading

What does a higher reading on voltmeter V2 indicate in Figure 1?

Higher potential difference Signup and view all the answers

What was the purpose of the student's experiment with adding resistors in Figure 2?

To observe the effect on current Signup and view all the answers

How does an increase in total resistance affect the current in a series circuit?

Decreases the current Signup and view all the answers

What is the frequency of the a.c. mains electricity supply?

60 Hz Signup and view all the answers

What is the power of the electric kettle?

2760 W Signup and view all the answers

If 4000 coulombs of charge pass through the heating element in 100 seconds, what is the current flowing through the heating element and its unit?

40 A Signup and view all the answers

What happens to the potential difference across a heating element if its resistance increases in a series circuit?

The potential difference decreases Signup and view all the answers

In a series circuit, what happens to the total voltage when more resistors are added?

Total voltage remains constant Signup and view all the answers

Which of the following statements is true for a series circuit with multiple resistors?

Current is the same through all resistors Signup and view all the answers

What does direct current mean in an electrical circuit?

Current that is always in the same direction Signup and view all the answers

Which equation correctly links current, potential difference, and resistance?

Potential difference = current × resistance Signup and view all the answers

In a series circuit, how is the total potential difference distributed?

Equally across all components Signup and view all the answers

What is the relationship between power, current, and potential difference in an electrical circuit?

Power = current × potential difference Signup and view all the answers

If the resistance in a series circuit increases, what happens to the total potential difference?

Decreases Signup and view all the answers

What effect does increasing the current in a circuit have on the power output of a battery?

Increases Signup and view all the answers